CN211243650U

CN211243650U - Closed reduction frame for femoral fracture

Info

Publication number: CN211243650U
Application number: CN201921834595.5U
Authority: CN
Inventors: 高岩; 孙剑
Original assignee: Second Hospital of Shanxi Medical University
Current assignee: Second Hospital of Shanxi Medical University
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-08-14
Anticipated expiration: 2029-10-29

Abstract

The utility model belongs to the field of orthopedics femoral shaft closed operation resets, concretely relates to closed reduction frame of femoral fracture. The femoral fracture repositor solves the problems that the existing femoral fracture repositor is difficult to reposition, corrects the difference between the inner side and the outer side of femoral shaft fracture, needs assistant for auxiliary fixation in operation and is easy to reposition and lose. The utility model discloses a square frame and slide bar, square frame includes two parallel arrangement's transverse bar and two parallel arrangement's longitudinal rod, the slide bar be parallel with square frame's transverse bar to slidable mounting connects length adjustable band on a transverse bar on two longitudinal rod of square frame. The utility model has simple and convenient operation, can be operated by a single hand, and can effectively correct the displacement of the inner side and the outer side of the femoral shaft fracture; the femoral fracture reduction effect can be maintained in the operation process, so that the operation risk is reduced, and the operation efficiency and success rate are improved.

Description

Closed reduction frame for femoral fracture

Technical Field

The utility model belongs to the field of orthopedics femoral shaft closed operation resets, concretely relates to closed reduction frame of femoral fracture.

Background

Femoral shaft fractures are mostly caused by violence and account for about 6.0% of total fracture, the traditional fixing mode comprises a plaster support, an external fixing support, an internal fixing steel plate and an intramedullary nail, and the current intramedullary nail fixation becomes the most reliable standard for femoral shaft fracture surgery treatment. The fractured ends of the femoral shaft are usually obviously displaced under the action of muscle traction, and the traction closed reduction intramedullary nail is adopted for fixation, so that although the lower limb force line can be recovered, the reduction is difficult, the operation time is long, the bleeding is more, the repeated needle insertion can cause injury to sciatic nerves and supragluteal nerves, and even the postoperative abduction weakness of hip joints and the bone nonunion at the fractured ends occur, and the functional recovery of the affected limbs is influenced.

Journal of orthopedics, 2018, 9(6), 458-. The restorer has the defect of correcting the difference of the displacement between the inner side and the outer side of the femoral shaft fracture due to the open design, and the reduction is easy to lose due to the fact that an assistant is needed for assisting in fixing in the operation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve present femoral fracture restorer and reset difficultly, correct the inside and outside displacement potential difference of femoral shaft fracture, need the supplementary fixed of assistant in the art, cause the problem of losing that resets easily, provide a closed reset frame of femoral fracture.

The utility model adopts the following technical proposal: the utility model provides a closed reduction frame of femoral fracture, includes square frame and slide bar, square frame includes two parallel arrangement's transverse bar and two parallel arrangement's longitudinal rod, the slide bar be parallel with square frame's transverse bar to slidable mounting connects length adjustable band on one transverse bar on square frame's two longitudinal rod.

Further, two parallel arrangement's transverse bar includes first transverse bar and second transverse bar, and the cover is equipped with the soft cover of plastics on the first transverse bar, connects the band on the second transverse bar.

Furthermore, a plastic soft sleeve is sleeved on the sliding rod.

Furthermore, positioning blocks are arranged above two ends of the sliding rod, two ends of the sliding rod are provided with circular arc-shaped first grooves, the positioning blocks are provided with circular arc-shaped second grooves, and the circular arc radiuses of the first grooves and the second grooves are equal; the longitudinal rod penetrates through the first groove and the second groove and slides relative to the sliding rod; one end of the positioning block is hinged with the sliding rod, and the other end of the positioning block is connected with the sliding rod through an adjusting screw.

Further, the strap includes a first end and a second end; an adjusting buckle is arranged on the binding belt, the adjusting buckle comprises a clamping seat and a buckle, the clamping seat and the buckle are in clearance fit connection through a shaft hole, the buckle can be opened and closed in a rotating mode relative to the clamping seat, and a channel is formed at one end of the clamping seat by the buckle being opened and closed in a rotating mode relative to the clamping seat; the first end of the binding belt is fixedly connected with the other end of the clamping seat, and the second end of the binding belt penetrates through the channel; the buckle is in rotatory open mode, adjusts the second end of band, and the buckle is in rotatory closed state, and buckle tooth locks the band to the pressure locking of band.

The utility model discloses compare prior art's beneficial effect:

the utility model can reset the thighbone by lifting and pulling the adjusting bridle, thereby the operation is simple and convenient, the operation can be performed by one person in free hand, and the displacement of the inner side and the outer side of the femoral shaft fracture can be effectively corrected; thereby the locking band guarantees not losing that resets after reseing, so in the operation process the utility model discloses can maintain femoral fracture effect that resets to reduce the operation risk, improve operation efficiency and success rate.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a sectional view taken along line A-A;

FIG. 3 is a schematic view of an adjustment buckle

FIG. 4 is a schematic view of a prior art femoral fracture closure reduction device;

fig. 5 application example 1-lateral preoperative position;

fig. 6 application example 1-preoperative orthostatic;

FIG. 7 is application example 1-reset procedure;

FIG. 8 is application example 1-reset effect;

fig. 9 is application example 2-preoperative orthostatic;

FIG. 10 shows application example 2-lateral preoperative position;

FIG. 11 shows application example 2-reset procedure;

FIG. 12 shows application example 2-reset effect;

FIG. 13 shows an application example 3-biplane shift;

FIG. 14 shows an application example 3-biplane shift;

FIG. 15 shows application example 3-reset procedure;

FIG. 16 shows application example 3-reset procedure;

FIG. 17 shows application example 4-multiple fracture;

FIG. 18 shows application example 4-reset procedure;

FIG. 19 shows application example 4-reset effect;

in the figure: 1-square frame, 1.1-first transverse rod, 1.2-second transverse rod, 2-sliding rod, 2.1-positioning block, 2.2-first groove, 2.3-second groove, 2.4-adjusting screw, 3-plastic soft sleeve, 4-binding band, 4.1-first end, 4.2-second end, 5-adjusting buckle, 5.1-clamping seat, 5.2-clamping buckle and 5.3-channel.

Detailed Description

The embodiments of the present invention will be further explained with reference to the accompanying drawings:

referring to fig. 1 to 3, the utility model provides a closed reduction frame for femoral fracture, its technical scheme: the utility model provides a thighbone fracture closed reduction frame includes square frame 1 and slide bar 2, square frame 1 includes two parallel arrangement's transverse bar and two parallel arrangement's longitudinal rod, slide bar 2 be parallel with square frame 1's transverse bar to slidable mounting is on square frame 1's two longitudinal rods, connects length-adjustable band 4 on the transverse bar.

Two parallel arrangement's transverse bar includes first transverse bar 1.1 and second transverse bar 1.2, and the cover is equipped with soft cover 3 of plastics on the first transverse bar 1.1, connects band 4 on the second transverse bar 1.2.

The sliding rod 2 is sleeved with a plastic soft sleeve 3.

The first transverse rod 1.1 and the sliding rod 2 are sleeved with a plastic soft sleeve 3, and when the adjusting bridle 4 is lifted and the sliding rod 2 is used as a fulcrum to reset the femur, the plastic soft sleeve 3 plays a role in protecting the affected limb.

Positioning blocks 2.1 are arranged above two ends of the sliding rod 2, circular arc-shaped first grooves 2.2 are arranged at two ends of the sliding rod 2, circular arc-shaped second grooves 2.3 are arranged on the positioning blocks 2.1, and the circular arc radiuses of the first grooves 2.2 and the second grooves 2.3 are equal; the longitudinal rod passes through the first groove 2.2 and the second groove 2.3 and slides relative to the sliding rod 2; one end of the positioning block 2.1 is hinged with the sliding rod 2, and the other end of the positioning block 2.1 is connected with the sliding rod 2 through an adjusting screw 2.4.

The strap 4 comprises a first end 4.1 and a second end 4.2; an adjusting buckle 5 is arranged on the binding belt 4, the adjusting buckle 5 comprises a clamping seat 5.1 and a buckle 5.2, the clamping seat 5.1 is in clearance fit connection with the buckle 5.2 through a shaft hole, the buckle 5.2 can be opened and closed in a rotating mode relative to the clamping seat 5.1, and the buckle 5.2 is opened and closed in a rotating mode relative to the clamping seat 5.1 to form a channel 5.3 at one end of the clamping seat 5.1; a first end 4.1 of the bridle 4 is fixedly connected with the other end of the clamping seat 5.1, and a second end 4.2 of the bridle 4 passes through the channel 5.3; buckle 5.2 is in rotatory open mode, adjusts the second end 4.2 of band 4, and buckle 5.2 is in rotatory closed state, and buckle 5.2 tooth locks band 4 to the pressure locking of band 4.

The utility model discloses a theory of operation:

in the femoral shaft fracture operation, the affected limb of the patient is placed between the first transverse rod 1.1 and the sliding rod 2 of the square frame 1, the first transverse rod 1.1 of the square frame 1 is clamped at the upper section of the affected limb fracture part, the adjusting screw 2.4 is loosened to adjust the sliding rod 2 according to the diameter of the leg part of the affected limb, the sliding rod 2 is clamped at the lower section of the affected limb fracture part, and the adjusting screw 2.4 is screwed down to fix the sliding rod 2; subsequently with band 4 in patient's shank, pull up second end 4.2 and adjust band 4, use slide bar 2 to reset the thighbone this moment as the fulcrum, closed buckle 5.2 after the thighbone resets, buckle 5.2 tooth locking of band 4 to the pressure of band 4 for guarantee in the operation process that resets and can not lose.

The following are four cases of femoral fracture, 1. no shift on the position plate, anterior and posterior shift on the side plate, 2. shift on the position plate, no shift on the side plate, 3. fracture has shift on two planes, 4. application example of multi-stage fracture:

as shown in fig. 5 and 6, application example 1 shows no shift in the positive bit piece and a shift in the back and forth in the side bit piece. As shown in fig. 7, the utility model is used to reposition the lateral displacement, the affected limb is placed between the first transverse rod 1.1 and the sliding rod 2 of the square frame 1, and the first transverse rod 1.1 of the square frame 1 is clamped at the upper section of the affected limb fracture, the adjusting screw 2.4 is loosened to adjust the sliding rod 2 according to the diameter of the leg of the affected limb, and the sliding rod 2 is clamped at the lower section of the affected limb fracture, at this time, the adjusting screw 2.4 is tightened to fix the sliding rod 2; then the bridle 4 is tied on the leg of the patient, the second end 4.2 is pulled to adjust the bridle 4, the femur is reset by taking the sliding rod 2 as a fulcrum, and the buckle 5.2 is closed after the femur is reset so as to lock the bridle 4; the reset effect is shown in fig. 8.

1. As shown in fig. 9 and 10, in application example 2, there is a shift in the positive bit piece, and there is no shift in the side bit pieces. As shown in fig. 11, the principle of resetting the normal displacement by using the present invention is the same as that of application example 1; the reset effect is shown in fig. 12.

2. As shown in FIGS. 13 and 14, application example 3 is the case where the fracture is displaced in both planes. As shown in fig. 15 and 16, the principles of the present invention are the same as those of application example 1 in which biplane displacement is reset one by one.

3. As shown in fig. 17, application example 4 is a multi-stage fracture. The multi-section fracture may be a combination of the above three displacement situations, as shown in fig. 18, the proximal end fracture is firstly reduced, the broach is inserted, and the utility model is continuously used to complete the reduction one by one, the principle is the same as that of application example 1; the reset effect is shown in fig. 19.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the present invention, or directly or indirectly applied to other related technical fields, and all included in the same way in the protection scope of the present invention.

Claims

1. The utility model provides a thighbone fracture closed reduction frame which characterized in that: including square frame (1) and slide bar (2), square frame (1) includes two parallel arrangement's transverse bar and two parallel arrangement's vertical pole, slide bar (2) be parallel with the transverse bar of square frame (1) to slidable mounting connects length adjustable band (4) on two vertical poles of square frame (1) on a transverse bar.

2. A femoral fracture closure reduction cage according to claim 1, wherein: two parallel arrangement's transverse bar includes first transverse bar (1.1) and second transverse bar (1.2), and the cover is equipped with soft cover of plastics (3) on first transverse bar (1.1), connects band (4) on second transverse bar (1.2).

3. A femoral fracture closure reduction cage according to claim 1, wherein: the sliding rod (2) is sleeved with a plastic soft sleeve (3).

4. A femoral fracture closure reduction cage according to claim 1, wherein: positioning blocks (2.1) are arranged above two ends of the sliding rod (2), arc-shaped first grooves (2.2) are arranged at two ends of the sliding rod (2), arc-shaped second grooves (2.3) are arranged in the positioning blocks (2.1), and the arc radiuses of the first grooves (2.2) and the second grooves (2.3) are equal; the longitudinal rod passes through the first groove (2.2) and the second groove (2.3), and the longitudinal rod slides relative to the sliding rod (2); one end of the positioning block (2.1) is hinged with the sliding rod (2), and the other end of the positioning block (2.1) is connected with the sliding rod (2) through an adjusting screw (2.4).

5. A femoral fracture closure reduction cage according to claim 1, wherein: the belt (4) comprises a first end (4.1) and a second end (4.2); an adjusting buckle (5) is arranged on the binding belt (4), the adjusting buckle (5) comprises a clamping seat (5.1) and a buckle (5.2), the clamping seat (5.1) and the buckle (5.2) are in clearance fit connection through a shaft hole, the buckle (5.2) can be rotatably opened and closed relative to the clamping seat (5.1), and the buckle (5.2) can be rotatably opened and closed relative to the clamping seat (5.1) to form a channel (5.3) at one end of the clamping seat (5.1); a first end (4.1) of the binding belt (4) is fixedly connected with the other end of the clamping seat (5.1), and a second end (4.2) of the binding belt (4) penetrates through the channel (5.3); buckle (5.2) are in rotatory open mode, adjust second end (4.2) of band (4), and buckle (5.2) are in rotatory closed state, and buckle (5.2) tooth locks band (4) to the pressure of band (4).